Head to head
Caterpillar D4K2 vs Wacker Neuson ET42
The Caterpillar D4K2 has 36kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D4K2 has 36kW more power.
Specifications side by side
| Caterpillar D4K2 | Wacker Neuson ET42 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 4,032 to 5,206 kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 32.5 kW |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Breakout force | - | 43.8 kN |
| Length | - | 5,594 mm |
| Dig depth | - | 3,544 mm |
| Width | - | 1,750 mm |
| Height | - | 2,608 mm |
Sources: Caterpillar D4K2, Wacker Neuson ET42. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D4K2 if...
- you want one that has 36kW more power
Cat's smallest crawler dozer, used for grading, site clearance and landscaping where a larger machine would be too heavy or too wide. The LGP undercarriage option suits soft or wet ground.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the ET42 if...
A midi excavator for groundworks, utilities and landscaping contractors. At 4.0 tonnes it arrives on a lorry rather than behind a car. It digs to 3,544 mm.
Listed by
- GEM Plant Sales Limited - Ashford, Sevington, Willesborough
Common questions
What is the difference between the Caterpillar D4K2 and the Wacker Neuson ET42?
The Caterpillar D4K2 has 36kW more power. The Caterpillar D4K2 is a small crawler dozer; the Wacker Neuson ET42 is a midi excavator, 3 to 6 tonnes.
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